645  
CDUS43 KLOT 212232  
CLIDPA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHICAGO IL  
432 PM CST TUE NOV 21 2023  
   
...............................  
 
...THE DUPAGE AIRPORT CLIMATE SUMMARY FOR NOVEMBER 21 2023...  
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1997 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 42 9:59 AM 60 2010 45 -3 46  
MINIMUM 39 3:59 PM 6 2014 29 10 24  
AVERAGE 41 37 4 35  
 
PRECIPITATION (IN)  
TODAY 0.50 0.53 2019 0.07 0.43 0.00  
MONTH TO DATE 0.63 1.57 -0.94 0.69  
SINCE SEP 1 6.05 7.56 -1.51 4.84  
SINCE JAN 1 28.50 30.93 -2.43 29.57  
 
DEGREE DAYS  
HEATING  
TODAY 24 28 -4 30  
MONTH TO DATE 436 499 -63 471  
SINCE SEP 1 837 1006 -169 989  
SINCE JUL 1 840 1017 -177 989  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 128 99 29 132  
SINCE JAN 1 802 823 -21 955    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 11.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 82 4:00 PM  
AVERAGE 89  
   
......................................................  
 
THE DUPAGE AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 66 2010  
MINIMUM TEMPERATURE (F) 29 4 2015  
 
SUNRISE AND SUNSET  
NOVEMBER 21 2023......SUNRISE 6:50 AM CST SUNSET 4:28 PM CST  
NOVEMBER 22 2023......SUNRISE 6:51 AM CST SUNSET 4:27 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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